An effective optimization methods for the suppression of edge effects in ultrawideband tightly coupled antenna arrays

F Yang, B Wang, Y Chen, S Qu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
An effective optimization method is proposed for the suppression of edge effects in finite
ultrawideband tightly coupled antenna arrays (TCAAs). By designing a practical finite …

Wideband machine-learning-based amplitude-only direction finding with spiral antennas

GR Friedrichs, MA Elmansouri… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
A method for performing amplitude-only direction finding (DF) with a multiarm spiral antenna
is demonstrated over multioctave (1.5–6 GHz) bandwidth, with 360° coverage in azimuth …

A single-turn stacked spiral antenna with ultrawide bandwidth and compact size

L Zhang, N Luo, Y Sun, Y He, SW Wong… - IEEE transactions on …, 2020 - ieeexplore.ieee.org
An ultrawideband stacked single-turn spiral antenna with an integrated feeding structure is
presented in this communication. The proposed antenna consists of two stacked planar …

Factors that define the bandwidth of a phased array antenna

RL Haupt - 2019 IEEE International Symposium on Phased …, 2019 - ieeexplore.ieee.org
A phased array is inherently narrowband, because phase is a narrowband concept. The
components that comprise the array determine the operational bandwidth while, the number …

Defining Phased Array Bandwidth

RL Haupt, C Kidder - IEEE Aerospace and Electronic Systems …, 2022 - ieeexplore.ieee.org
Phased arrays play an increasingly important role in communications and radar systems.
These systems require wideband signals to achieve the desired high-performance goals. A …

Reconfigurable 4-Arm spiral antenna for dual polarization

IH Sáenz, R Guinvarc'h… - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
4-arm spiral antennas have a wide bandwidth and circular polarization when operating in
mode 1 (fundamental mode). Switching to mode 3 (to obtain opposite circular polarization) …

Reconfigurable 4-Arm Spiral Antenna for Dual Polarization

I Hinostroza, RL Haupt - … on Antennas and Propagation and North …, 2020 - hal.science
4-arm spiral antennas have a wide bandwidth and circular polarization when operating in
mode 1 (fundamental mode). Switching to mode 3 (to obtain opposite circular polarization) …

[PDF][PDF] Antena independiente de la frecuencia, espiral de arquímides impresa.

OP Barros - Telemática, 2017 - scholar.archive.org
Con el objetivo de explorar la banda de frecuencias 600 MHz–3200 MHz con una sola
antena de banda ancha y evitar el uso de varias antenas y conmutador de antenas …